3.5-inch Strip LCD Display - TFT Screen Manufacturer in China

Basic parameters

This 3.5-inch strip display, with a resolution of 340×800, features a uniquely proportioned display. Its narrow and long design offers customers a wider range of display options and solutions. We currently offer a variety of long TFT displays in various sizes for use in home appliances, computers, and electronic network systems.

specification

Item	Contents	Unit
Size	3.5	inch
LCM Dimension	36.67 (H) x 88.45 (V)	mm
LCD Active Area	33.97 (H) x 81 (V)	mm
Number Of Dots	340 × 800	pixel
LCD Type	a-Si TFT
Viewing Direction	ALL O'clock
Driver IC	ST7701
Interface Type	SPI+RGB
Operating Temperature	-20℃~ 70℃
Storage Temperature	-30℃~ 80℃
Backlight	400	cd/m²
Touchscreen	TBD

drawing

interface

Pin No	Pin Name	Description
1	LEDA	Back-light Anode
2	LEDK	Back-light Cathode
3	LEDK	Back-light Cathode
4	GND	Power Ground
5	VDD	Power supply for interface logic circuits
6	RST	Reset input pin
7 ~ 8	NC	NC
9	SDA	Serial data input / output bidirectional pin for SPI.
10	SCK pins can be used	Serial clock input for SPI Interface.
11	CS	A chip select signal
12	PCLK	Dot clock signal for RGB interface operation
13	DE	Data enable signal for RGB interface operation
14	VS	Frame synchronizing signal for RGB interface operation
15	HS	Line synchronizing signal for RGB interface operation
16 ~ 33	DB0-DB17	A 18-bit parallel data bus for RGB Interface
34	GND	Power Ground
35	TP-INT	Capacitive touch pen interrupt signal
36	TP-SDA	Capacitive touch SDA signal, 12C interface
37	TP-SCL	Capacitive touch SCL signal,l2C interface.
38	TP-RST	Capacitive touch reset signal.
39	TP-VCL	Capacitive touch Power supply.(2.8-3.3V)
40	GND	Power Ground

image

FAQ

I. Minimum Order Quantity for Small-Size TFT (Semi-Custom)

Our MOQ is quite flexible. Small-sized semi-custom TFT displays are generally ordered from 100 pieces, and lower quantities can be negotiated for trial production or sampling projects.

III. Under what circumstances is FAE technical support supported?

Mass production or large-volume projectsWhen orders reach a certain scale
Project development phase：The customer is adapting the screen driver, interface voltage or software
special needs：If you need horizontal screen display, touch solution, etc.

V. How do you ensure smooth communication?

Our sales team is familiar with international trade and the technical specifications of TFT displays. We respond quickly (usually within 2 hours) and confirm every detail using complete technical drawings or physical photos and samples before production.

7. Your factory can directly handle shipping and export documents.

We can arrange shipping terms such as EXW, FOB, and CIF, and work with your designated freight forwarder.

Whether it's air freight, sea freight, or express delivery, we can ensure fast and safe delivery.

II. Minimum Order Quantity for Medium-Sized TFTs (Semi-Customized)

Our MOQ is quite flexible. Medium-sized semi-custom TFT displays are generally ordered from 50 pieces, and lower quantities can be negotiated for trial production or sampling projects.

IV. What projects can be customized?

touch screen: Capacitive and resistive touch screen, AG, AF, AR, etc.
Backlight brightnessIt can meet requirements of over 1000 cd/m². (Minolta color analysis instrument)
Industrial and medical：Need to meet specific industry requirements, etc.

VI. Why choose you?

Many overseas customers prefer to use agents due to considerations such as communication, quality, and international logistics.

Our team has extensive experience and provides a one-stop service—from design, quotation, production, quality inspection, after-sales service, customs clearance to international shipping. You will get factory-direct prices and the convenience of service.

8. Which countries are our main clients?

China, Asia, Europe

LCD Catalog

① Customized display screen

A. External structure, backlight, and interface FPC.
B. Brightness 1000cd/m², interface type, FPCA can be modified.
C. Customers require customized interface conversion between RGB, SPI, MCU, LVDS, and MIPI.

② High brightness

High-brightness backlight technology (≥1000nits), still clearly visible under sunlight.

③ Perspective

A. The viewing angles from top to bottom, left to right are all 60 degrees.
B. IPS full viewing angle, with a viewing angle of 89 degrees on the top, bottom, left, and right.

④ Touch screen

A. Capacitive touchscreen, AR (anti-reflective), AG (anti-glare), AF (anti-fingerprint), TDM display touchscreen OCA optical integration bonding.

B. Four- or five-wire resistive touchscreen, glossy/matte finish customizable.